My H&S 6.7 vs H&S 6.4 experience - Ford Powerstroke Diesel Forum

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post #1 of 39 Old 10-22-2012, 03:48 PM Thread Starter
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My H&S 6.7 vs H&S 6.4 experience

So I have seen this 6.4 running around town here and there. Looks like maybe a 6-8" lift, dual stacks, 22" wheels and maybe 37's, ect.. Today I finally was able to get next to him.

At a light he asked which programmer so I told him H&S, and then he said he was also on an H&S. I asked what tune he was on and he said 300. He also had dpf delete/stacks, intake, intercooler, head studs, but no egr block off.

We both did a 4WD launch and I was fully expecting to get my *** handed to me.. Something happened on the first run and I got the hit and pulled away big time so we let off. We stopped again, and did another 4WD launch. We got an even start but again something happened and I pulled away and we let off. After that, we did a couple rolling starts. Each time I pulled about 1 truck length, and he started to slowly catch up, but had to shut down around 80. (we went on three honks each time) So basically on the initial hit, I pulled, and after getting up to speed, he'd slowly catch up but never passed me.

Needless to say I was pleasantly surprised with the outcome. I thought he was going to pull on me like crazy. Seems like the 6.7 has a lot of low end to it compared to the 6.4 (at least that one). If we kept going, he would have passed me eventually.

I don't do a lot of racing in this truck, but I had been waiting to get a piece of a 6.4 lol.

Just excited, so I figured I'd share

My truck is H&S minimax, intake, dpf delete, egr block off. 3" lift and 35's. The truck has been solid. Perfect shifts from the transmission, no weird hiccups and other issues. Thanks H&S!

2011 F250 CC SB Lariate
2008 Corvette Z06 590 RWHP 529 RWTQ NA
1993 MR2 700+ RWHP (parting out)
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post #2 of 39 Old 10-22-2012, 04:07 PM
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What gear ratio do you have?

SOLD 2012 F350 CC, SB, Lariat 4X4, 3.31's, E-Locker, Line-X'd
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post #3 of 39 Old 10-22-2012, 04:15 PM Thread Starter
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Originally Posted by dslbrnr View Post
What gear ratio do you have?
3.55 gear ratio

2011 F250 CC SB Lariate
2008 Corvette Z06 590 RWHP 529 RWTQ NA
1993 MR2 700+ RWHP (parting out)
2013 Volkswagen GLI
2015 Jeep Grand Cherokee Overland Diesel
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post #4 of 39 Old 10-22-2012, 05:01 PM
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Nice! I love my 6.7 3.55 too, can't wait to get deletes and tuned.

Just a heads up though, the 6.4 guys will turn this thread into a pissing match for sure.

2013 Lariat Eco-Boost F150 Super Crew 4x4 20K Miles. Max-Tow 3.73's, luxury package. Amp Steps, Raceline Raptor Wheels, Bak-Flip, and much more.


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post #5 of 39 Old 10-22-2012, 05:09 PM
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He let you win...jk jk!!
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post #6 of 39 Old 10-22-2012, 05:43 PM
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big tires hurt performace really bad i used to have a 6.4 with 35s it felt like i lost 50hp with the bigger tires. got a 6.7 dually now with the same h&s love it so far. 6.7 does have alot more low end torque. 6.4 is a faster engine tho

Chris
2012 f350 crew cab dually lariat
h&s tuner w/dpf delete
5in exhaust w/aeroturbine muffler

2008 f250 reg cab short bed
Livewire w/gearhead tunes
Dual exhaust
Already fast as my 6.0 :/

2006 f250 crew cab king ranch
Head studs
Mpd 175/30 inj.
Fass fuel pump w/sump
4in mbrp exhaust
s&b intake
ec-1 coolant w/coolant filter
blue spring upgrade
powermax turbo w/ billet wheel
egr delete
sct livewire ts w/ gearhead tunes
Atlas 40 ficm
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post #7 of 39 Old 10-22-2012, 05:49 PM
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Yea big tires hurt performance and mpgs..iam running 33" on my truck and i really like them!!
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post #8 of 39 Old 10-22-2012, 07:17 PM
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lol.. this makes me want a 6.7 more and more.. i have the itch for a new truck for some reason.. but i cant justify getting rid of mine.. its running perfect right now... (knock on wood)

Kris

2008 Ford F250 6.4L Crew Cab Short Bed King Ranch
3.5" ReadyLift Leveling Kit, 37x13.5x20 Toyo MT's on stock 20's, Dual Steering Stabilizer, Livewire w/ IDP, KEM, Gearhead, S&B, 5" Flo-Pro, Rudy's EGR Delete and Cold Side Pipe, CCV
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post #9 of 39 Old 10-22-2012, 08:27 PM
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main reason i got rid of my 6.4 was i wanted a 1 ton and for a low mile 6.4 ur lookin at 38k with really low miles and i got a brand new 6.7 for 45k and its a lariet as well just seems dumb to buy used.

Chris
2012 f350 crew cab dually lariat
h&s tuner w/dpf delete
5in exhaust w/aeroturbine muffler

2008 f250 reg cab short bed
Livewire w/gearhead tunes
Dual exhaust
Already fast as my 6.0 :/

2006 f250 crew cab king ranch
Head studs
Mpd 175/30 inj.
Fass fuel pump w/sump
4in mbrp exhaust
s&b intake
ec-1 coolant w/coolant filter
blue spring upgrade
powermax turbo w/ billet wheel
egr delete
sct livewire ts w/ gearhead tunes
Atlas 40 ficm
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post #10 of 39 Old 10-23-2012, 04:25 AM
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I hear ya, but I can't justify to the old lady starting my payments again when I'm over half way getting this one paid off, even if its a newer truck with similar payments

Kris

2008 Ford F250 6.4L Crew Cab Short Bed King Ranch
3.5" ReadyLift Leveling Kit, 37x13.5x20 Toyo MT's on stock 20's, Dual Steering Stabilizer, Livewire w/ IDP, KEM, Gearhead, S&B, 5" Flo-Pro, Rudy's EGR Delete and Cold Side Pipe, CCV
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